St. Mary's Catholic Church (Medora, North Dakota)

The St. Mary's Catholic Church in Medora, North Dakota was built in 1884 by Peter Book, a builder who also constructed the Von Hoffman House. It was listed on the National Register of Historic Places in 1977.

A metal plate on the church states that it was built by the Marquise de Mores. She was the wife of the Marquis de Mores.